Home / 3,531.16-5,297.10-1,222.12

Finding the Fourth Proportional to 3,531.16, 5,297.10 and 1,222.12

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Solution

The fourth proportional to 3,531.16, 5,297.10 and 1,222.12 is: 1,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.16 : 5,297.10 = 1,222.12 : x
  2. Step 2: Convert to fraction form
    3,531.16/5,297.10 = 1,222.12/x
  3. Step 3: Cross multiply
    3,531.16x = 5,297.10 × 1,222.12
  4. Step 4: Simplify right side
    3,531.16x = 6,473,691.85
  5. Step 5: Solve for x
    x = 6,473,691.85/3,531.16
  6. Step 6: Final answer
    x = 1,833.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.